2137-AF24 201704 Unified Agenda of Federal Regulatory and Deregulatory Actions 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 2100 Department of Transportation DOT Hazardous Materials: Volatility of Unrefined Petroleum Products and Class 3 Materials Other Significant Previously Published in The Unified Agenda Proposed Rule Stage Undetermined Undetermined 49 CFR 171 49 CFR 172 49 CFR 177 49 CFR 173 49 CFR 174 49 CFR 178 49 CFR 179 49 CFR 180 49 U.S.C. 5101 et seq. No ANPRM 01/18/2017 82 FR 5499 ANPRM Comment Period End 03/20/2017 ANPRM Comment Period Extended 03/21/2017 82 FR 14499 ANPRM Comment Period Extended End 05/19/2017 HM-251D; Undetermined No Undetermined Undetermined No www.regulations.gov www.regulations.gov No No Lad Falat 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 202 366-4545 lad.falat@dot.gov 1200 New Jersey Avenue SE, Washington DC 20590